Illuminating sleeve



FIG. 1 is a top perspective view of an illuminating sleeve showing my new design;

FIG. 2 is front perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof. 

CLAIM The ornamental design for an illuminating sleeve, as shown and described. 